Deoxyribonucleic acid (DNA). Definition

Medical Definition: deoxyribonucleic acid (DNA)

Nucleic acid consisting of nucleotides in which the sugar is deoxyribose and the nitrogenous bases are adenine, thymine, cytosine and guanine. Except retroviruses that have RNA, DNA encodes the information for reproduction and functioning of cells and replication of the DNA molecule itself. Represents the backup or storage of genetic information that the primary transmitted from one generation to another, and in eukaryotic cells is confined to the safe core.

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